<template>
  <div>
    <!-- 面包屑区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索和添加区域 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" class="input-with-select" clearable @clear="getGoodsList">
            <el-button slot="append" icon="el-icon-search" @click="searchGoods"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddGoods">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 表格区域 -->
      <el-table :data="goodsList" border stripe height="380">
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column prop="goods_name" label="商品名称"></el-table-column>
        <el-table-column prop="goods_price" label="商品价格（元）" width="80"></el-table-column>
        <el-table-column prop="goods_weight" label="商品重量" width="80"></el-table-column>
        <el-table-column label="创建时间" width="100">
          <!-- 使用过滤器处理时间 -->
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130">
          <template slot-scope="scope">
            <el-button type="primary" size="mini" icon="el-icon-edit" @click="goEdit(scope.row.goods_id)"></el-button>
            <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeGoods(scope.row.goods_id)"></el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页区域 -->
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[10, 30, 60, 100]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total"></el-pagination>
    </el-card>
  </div>
</template>
<script>
import $http from '@/utils/resquest.js'
export default {
  data() {
    return {
      // 查询参数
      queryInfo: {
        // 查询
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品数据列表
      goodsList: [],
      // 总页数
      total: 0
    }
  },
  methods: {
    // 删除商品
    async removeGoods(id) {
      const confirm = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirm !== 'confirm') return this.$message.info('已取消删除')
      const { data: res } = await $http.delete(`goods/${id}`)
      if (res.meta.status !== 200) return this.$message.error('删除失败！')
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 根据关键词搜索对应的商品
    searchGoods() {
      if (!this.queryInfo.query) return
      this.getGoodsList()
    },
    // 页数发生改变时触发
    handleCurrentChange(val) {
      this.queryInfo.pagenum = val
      this.getGoodsList()
    },
    // 条数发生改变时触发
    handleSizeChange(val) {
      this.queryInfo.pagesize = val
      this.getGoodsList()
    },
    // 获取商品列表
    async getGoodsList() {
      const { data: res } = await $http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.error('数据获取失败')
      this.goodsList = res.data.goods
      this.total = res.data.total
    },

    // 去往添加商品页面
    goAddGoods() {
      // console.log(this.$router)
      this.$router.push('/goods/add')
    },
    // 去往编辑商品
    goEdit(row) {
      console.log(row)
      this.$router.push({ path: '/goods/edit', query: { id: row } })
    }
  },
  created() {
    this.getGoodsList()
  }
}
</script>
<style lang="less" scoped>
</style>